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9 times table and division facts | Year 4 Mathematics PDF Download

Tricks of the 9 times table

  • Mastering the 9 times table becomes simple with a few clever tricks!
  • Let's notice the pattern in the multiplication:
    9 times table and division facts | Year 4 Mathematics
  • Do you see how the ones column decreases by one each time until it reaches zero and resets to 9?
  • The tens column increases by one with each multiplication.

Examples

Example 1: Use 108 ÷ 12 = 9 to solve 10,800 ÷ __ = 12
Sol: 
First, compare the two divisions.
The missing number will be a multiple of 9 since that fact is missing.
Next, compare the dividends (the number being divided).
10,800 is 100 times larger than 108.
The 12 has remained the same value, so the missing number must also be 100 times larger!
9 x 100 = 900
Therefore:
10,800 ÷ 900 = 12
This is where your understanding of multiplying by 10 and 100 is useful!

Example 2: Is 117 a multiple of 9?
Sol:
1 + 1 + 7 = 9
Yes, 117 is a multiple of 9.

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FAQs on 9 times table and division facts - Year 4 Mathematics

1. What is the importance of learning the 9 times table?
Ans. Learning the 9 times table is important as it helps students develop strong multiplication skills, which are essential for various math concepts and real-life situations. It also improves mental math abilities and overall mathematical fluency.
2. How can students effectively memorize the 9 times table?
Ans. Students can effectively memorize the 9 times table by using mnemonic devices, practicing regularly with flashcards, playing multiplication games, and breaking down the table into smaller, more manageable chunks for easier memorization.
3. How can understanding the 9 times table help with division facts?
Ans. Understanding the 9 times table can help with division facts as students can use their knowledge of multiplication to quickly and accurately solve division problems. For example, dividing by 9 is equivalent to multiplying by 1/9, which can be easier to calculate mentally.
4. How can teachers make learning the 9 times table fun and engaging for students?
Ans. Teachers can make learning the 9 times table fun and engaging for students by incorporating hands-on activities, interactive games, and group challenges. They can also use online resources, such as educational apps and videos, to make the learning process more enjoyable.
5. Are there any common mistakes students make when learning the 9 times table?
Ans. Common mistakes students make when learning the 9 times table include mixing up the order of multiplication facts, struggling with memorization, and not understanding the connection between multiplication and division. Teachers can address these issues by providing additional practice and support.
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